. this is a serious thing right? people say why doesn't nasa do something about it, and there are cool old political reasons. first of all, it wasn't part of nasa's charter it wasn't human space flight or science it's just cataloging objects that are scientifically understood, blah blah blah blah. we work hard to raise awareness of this, and so oh, we are maybe getting there. cenk: how much money do you think is needed to catalog it? >> it's a great question. there's two things we do wrong as c.e.o. of a non-profit. we don't ask for money and then we don't ask for enough. cenk: so fix it right now. don't be like a down sore, fix it. >> we can approach the problem in two ways, first to get the sentinel spacecraft flying, that's about $450 million. then between now and when that could possibly happen, it's about that much money and then after that, to go deflect one it's about that much money. cenk: we're talking about a billion. >> 1.5 billion. it's what the curious city rover cost. we might find something on mars that might dare i say it, change the world. cenk: bush said let's go drill on mars, it'